Question 970066

{{{x^2 + 2x - 8}}}....replace {{{2x}}} with {{{-2x+4x}}}

{{{x^2 -2x+ 4x - 8}}}....group

{{{(x^2 -2x)+ (4x - 8)}}}

{{{x(x -2)+ 4(x - 2)}}}

{{{(x+4)(x-2)}}}